Preform maintenance on x1 Carrier infinity gas fired furnace with bypass humidifier: 6ft ladder needed to access system through x2 ceiling hatch’s open furnace cabinet doors shut power to system removed flame sensor and hot surface igniter- cleaned sensor with copper bristle brush and polished clean with steel wool inspected hot surface igniter- showing minimal ware - ok brushed out and cleaned burner jet, furnace cabinet and components inspected PVC fresh air and exhaust: okay secured all electrical wiring and connections in furnace and blower cabinet inspected blower motor/ wheel and assembly removed condensate trap- flushed clean and primed with fresh water preform full condensate pump cleaning- ok removed neutralizer kit- in good condition and minerals clean flushed neutralizer and condensate trap on system reinstalled neutralizer kit, condensate trap and all drainage and tested for leaks- none replaced air filter / open bypass damper Removed existing humidifier water panel from c